Best Free AI Agent Builders of 2025 - Page 4

Launch & train personalized AI-RAG Agents on Telegram. You can create RAG AI-powered personalized agents in minutes with scalerX, and they will be trained using your knowledge base. These AI agents can be integrated directly into Telegram including groups and channels. This is great for education, customer service, entertainment and sales. It also automates community moderation. Agents can act as chatbots for solo, groups, and channels. They support text-to text, text-to image, and voice. ACLs allow you to set up agent usage quotas, and permissions for authorized users. It's easy to train your agents: Create your agent, upload files to the bots knowledgebase, or auto-sync Dropbox, Google Drive, or scrape webpages.

FastAgency is an innovative open-source framework aimed at streamlining the transition of multi-agent AI workflows from initial prototypes to full-scale production. It offers a cohesive programming interface that works with multiple agent-based AI frameworks, allowing developers to implement agentic workflows in both experimental and operational environments. By incorporating functionalities such as multi-runtime support, smooth integration with external APIs, and a command-line interface for orchestration, FastAgency makes it easier to construct scalable architectures suitable for deploying AI workflows. At present, it is compatible with the AutoGen framework, and there are intentions to broaden its compatibility to include CrewAI, Swarm, and LangGraph in the near future. This flexibility enables developers to switch between different frameworks effortlessly, selecting the one that best aligns with their project's requirements. Additionally, FastAgency provides a shared programming interface that allows developers to create essential workflows once and utilize them across various user interfaces without the need for redundant coding, thereby enhancing efficiency and productivity in AI development. As a result, FastAgency not only accelerates deployment but also fosters innovation and collaboration among developers in the AI landscape.

DemoGPT is an open-source platform designed to facilitate the development of LLM (Large Language Model) agents by providing a comprehensive toolkit. It includes a variety of tools, frameworks, prompts, and models that enable swift agent creation. The platform can automatically generate LangChain code, which is useful for building interactive applications using Streamlit. DemoGPT converts user commands into operational applications through a series of steps: planning, task formulation, and code creation. This platform promotes an efficient method for constructing AI-driven agents, creating an accessible environment for establishing advanced, production-ready solutions utilizing GPT-3.5-turbo. Furthermore, upcoming updates will enhance its capabilities by incorporating API usage and enabling interactions with external APIs, which will broaden the scope of what developers can achieve. As a result, DemoGPT empowers users to innovate and streamline the development process in the realm of AI applications.

Potpie is a collaborative open source platform designed for developers to craft AI agents specifically suited for their codebases, streamlining processes such as debugging, testing, system architecture, onboarding, code evaluations, and documentation. By converting your codebase into an extensive knowledge graph, Potpie equips its agents with a profound contextual understanding that enables them to execute engineering tasks with remarkable accuracy. The platform includes more than five pre-built agents, with some focusing on stack trace analysis and the generation of integration tests. Additionally, developers have the option to create personalized agents through straightforward prompts, ensuring easy incorporation into their established workflows. Potpie also features an intuitive chat interface and offers a VS Code extension for direct integration into development setups. With capabilities like multi-LLM support, developers can incorporate various AI models to enhance performance and adaptability, making Potpie an invaluable tool for modern software engineering. This versatility allows teams to optimize their overall productivity while benefiting from advanced automation techniques.

OWL (Optimized Workforce Learning) represents a cutting-edge system tailored for collaborative efforts among multiple agents in the automation of real-world tasks. Developed on the CAMEL-AI platform, OWL seeks to transform the way AI agents interact, leading to enhanced efficiency, natural communication, and greater resilience in task automation across diverse sectors. It stands out for its exceptional performance, achieving the top position among open-source frameworks on the GAIA benchmark with an impressive score of 58.18. Key features of OWL include real-time sharing of information, flexible task management, and seamless integration with a variety of tools and platforms, which collectively empower collaborative AI agents to tackle intricate tasks effectively. This innovative framework not only optimizes workflows but also paves the way for future advancements in AI-driven automation solutions.

Mastra is an open-source TypeScript framework that allows developers to build AI agents capable of performing tasks, managing knowledge, and retaining memory across interactions. With a clean and intuitive API, Mastra simplifies the creation of complex agent workflows, enabling real-time task execution and seamless integration with machine learning models like GPT-4. The framework supports task orchestration, agent memory, and knowledge management, making it ideal for applications in automation, personalized services, and complex systems.

Agentverse is a user-friendly platform tailored for the creation, testing, and deployment of customizable AI agents. It features a cloud-based integrated development environment that streamlines the agent development process, enabling individuals to build, train, and seamlessly incorporate agents into different systems without needing extensive programming skills. With a selection of pre-designed agent templates and various use cases, users can swiftly deploy and tailor agents for a multitude of applications. Each agent hosted on Agentverse is listed in the Almanac, which enhances their visibility and promotes interaction within the Fetch.ai network. The platform also fosters collaborative development through its Teams feature, allowing multiple users to cooperate on agent-related projects. Emphasizing security, Agentverse utilizes containerized environments to ensure data protection and adherence to industry regulations. In addition, it includes a marketplace where users can discover and engage with other registered agents, further enriching the ecosystem. This combination of features creates a comprehensive environment for both novice and experienced developers to engage with AI technologies.

TalkToAgent is an innovative AI-driven platform designed to help businesses automate interactions with their visitors, manage inquiries, capture leads, and provide real-time responses without requiring any coding expertise. It ensures seamless engagement around the clock, delivering quick and smart replies that outshine conventional chatbots. By operating continuously, it facilitates sales activities day and night, ensuring that no potential leads are overlooked. The platform utilizes AI to provide responses tailored to the unique needs of various industries, effortlessly transforming visitors into valuable leads. Businesses can customize the widget to align with their branding, thereby enhancing the overall customer experience. Moreover, TalkToAgent offers comprehensive analytics, including insights into chat data, landing page performance, and visitor demographics, which help businesses optimize their engagement strategies and foster growth. This combination of features not only improves interaction quality but also enables companies to make informed decisions based on data-driven insights.

Activepieces is an intuitive, open-source automation platform that enables teams to build powerful AI-driven workflows without any coding. With 280+ pre-built automation pieces (MCPs), users can easily integrate various applications, streamline repetitive tasks, and automate business processes. The platform offers no-code tools for creating chat interfaces, automating approvals, and generating AI-powered agents. Whether for small businesses or large corporations, Activepieces supports decentralized innovation and seamless collaboration, empowering teams to automate daily operations, improve productivity, and unlock the full potential of AI in their workflows.

The Agent Development Kit (ADK) is a powerful open-source platform designed to help developers create AI agents with ease. It integrates seamlessly with Google’s Gemini models and various AI tools, providing a modular framework for building both basic and complex agents. ADK supports flexible workflows, multi-agent systems, and dynamic routing, enabling users to create adaptive agents. The platform offers a rich set of pre-built tools, third-party library integrations, and deployment options, making it ideal for building scalable AI applications in any environment, from local setups to cloud-based systems.

Agno is a streamlined framework designed for creating agents equipped with memory, knowledge, tools, and reasoning capabilities. It allows developers to construct a variety of agents, including reasoning agents, multimodal agents, teams of agents, and comprehensive agent workflows. Additionally, Agno features an attractive user interface that facilitates communication with agents and includes tools for performance monitoring and evaluation. Being model-agnostic, it ensures a consistent interface across more than 23 model providers, eliminating the risk of vendor lock-in. Agents can be instantiated in roughly 2μs on average, which is about 10,000 times quicker than LangGraph, while consuming an average of only 3.75KiB of memory—50 times less than LangGraph. The framework prioritizes reasoning, enabling agents to engage in "thinking" and "analysis" through reasoning models, ReasoningTools, or a tailored CoT+Tool-use method. Furthermore, Agno supports native multimodality, allowing agents to handle various inputs and outputs such as text, images, audio, and video. The framework's sophisticated multi-agent architecture encompasses three operational modes: route, collaborate, and coordinate, enhancing the flexibility and effectiveness of agent interactions. By integrating these features, Agno provides a robust platform for developing intelligent agents that can adapt to diverse tasks and scenarios.

Swarm is an innovative educational framework created by OpenAI that aims to investigate the orchestration of lightweight, ergonomic multi-agent systems. Its design prioritizes scalability and customization, making it ideal for environments where numerous independent tasks and instructions are difficult to encapsulate within a single prompt. Operating solely on the client side, Swarm, like the Chat Completions API it leverages, maintains a stateless design, which enables the development of scalable and practical solutions without a significant learning curve. Unlike the assistants found in the assistants API, Swarm agents, despite their similar naming for ease of use, function independently and have no connection to those assistants. The framework provides various examples that cover essential concepts such as setup, function execution, handoffs, and context variables, as well as more intricate applications, including a multi-agent configuration specifically designed to manage diverse customer service inquiries within the airline industry. This versatility allows users to harness the potential of multi-agent interactions in various contexts effectively.

The OpenAI Agents SDK allows developers to create agent-based AI applications in a streamlined and user-friendly manner, minimizing unnecessary complexities. This SDK serves as a polished enhancement of our earlier agent experimentation project, Swarm. It features a concise set of core components: agents, which are large language models (LLMs) with specific instructions and tools; handoffs, which facilitate task delegation among agents; and guardrails, which ensure that agent inputs are properly validated. By leveraging Python alongside these components, users can craft intricate interactions between tools and agents, making it feasible to develop practical applications without encountering a steep learning curve. Furthermore, the SDK includes integrated tracing capabilities that enable users to visualize, debug, and assess their agent workflows, as well as refine models tailored to their specific needs. This combination of features makes the Agents SDK an invaluable resource for developers aiming to harness the power of AI effectively.

Transformers is a versatile library that includes pretrained models for natural language processing, computer vision, audio, and multimodal tasks, facilitating both inference and training. With the Transformers library, you can effectively train models tailored to your specific data, create inference applications, and utilize large language models for text generation. Visit the Hugging Face Hub now to discover a suitable model and leverage Transformers to kickstart your projects immediately. This library provides a streamlined and efficient inference class that caters to various machine learning tasks, including text generation, image segmentation, automatic speech recognition, and document question answering, among others. Additionally, it features a robust trainer that incorporates advanced capabilities like mixed precision, torch.compile, and FlashAttention, making it ideal for both training and distributed training of PyTorch models. The library ensures rapid text generation through large language models and vision-language models, and each model is constructed from three fundamental classes (configuration, model, and preprocessor), allowing for quick deployment in either inference or training scenarios. Overall, Transformers empowers users with the tools needed to create sophisticated machine learning solutions with ease and efficiency.

Superexpert.AI is a collaborative open-source platform designed to empower developers to create advanced, multi-tasking AI agents without the necessity of coding. This platform facilitates the development of a wide range of AI applications, ranging from basic chatbots to highly sophisticated agents capable of managing numerous tasks simultaneously. Its extensible nature allows for the seamless integration of custom tools and functions, and it is compatible with multiple hosting services such as Vercel, AWS, GCP, and Azure. Among its features, Superexpert.AI includes Retrieval-Augmented Generation (RAG) for optimized document retrieval and supports various AI models, including those from OpenAI, Anthropic, and Gemini. The architecture is built using modern technologies like Next.js, TypeScript, and PostgreSQL, ensuring robust performance. Additionally, the platform offers an intuitive interface that simplifies the configuration of agents and tasks, making it accessible even for individuals without any programming background. This commitment to user-friendliness highlights a broader goal of democratizing AI development for a wider audience.

Nelly serves as an all-in-one AI agent platform that enables users to create, test, share, and deploy AI agents effortlessly, without any coding skills necessary. By utilizing Nelly Studio, individuals can design personalized AI agents by simply providing natural language instructions and formatting them with headings, lists, and various content types. These agents can be enhanced with multiple tools, including a web browser and a database, to effectively perform their designated tasks. Users can tackle complex challenges by breaking them into smaller components, assigning them to specialized sub-agents, which allows for the development of a collaborative team of agents to manage sophisticated workflows. With Nelly, users can engage in natural, fluid conversations with their AI agents, who grasp context and maintain a coherent dialogue, thus removing the necessity for specific commands or syntax. Conversations are systematically organized into threads to improve efficiency and clarity. Furthermore, users have the capability to create departments and arrange their agents through a simple drag-and-drop interface, facilitating the construction of their ideal AI team while enhancing overall productivity. This platform not only streamlines the process of AI interaction but also empowers users to customize their experience to meet their unique needs.

VoltAgent is a versatile open-source framework for TypeScript that empowers developers to create, tailor, and manage AI agents with unparalleled control, speed, and an exceptional developer experience. This framework equips users with a comprehensive set of tools designed for enterprise-grade AI agents, enabling the creation of production-ready solutions with cohesive APIs, utilities, and memory capabilities. One of its key features is tool calling, which allows agents to execute functions, communicate with various systems, and carry out specific actions. VoltAgent streamlines the process of switching between different AI service providers through a unified API, needing only a minor code modification. It also incorporates dynamic prompting, facilitating experimentation, fine-tuning, and the iterative development of AI prompts within a cohesive environment. Additionally, its persistent memory feature enables agents to save and retrieve past interactions, thereby improving their intelligence and contextual understanding. Beyond these capabilities, VoltAgent enhances collaborative efforts by employing supervisor agent orchestration, which enables the construction of robust multi-agent systems coordinated by a central supervisor agent managing specialized agents. This orchestration not only boosts efficiency but also allows for the creation of intricate workflows tailored to specific application needs.

AgentSea stands as an innovative open-source platform that facilitates the seamless creation, deployment, and sharing of AI agents. It provides a robust set of libraries and tools aimed at developing AI applications, adhering to the UNIX principle of specialization. These tools can either function independently or be integrated into a comprehensive agent application, ensuring compatibility with popular frameworks such as LlamaIndex and LangChain. Among its notable features are SurfKit, which acts as a Kubernetes-style orchestrator for agents; DeviceBay, a system that allows for the integration of pluggable devices like file systems and desktops; ToolFuse, which enables the encapsulation of scripts, third-party applications, and APIs as Tool implementations; AgentD, a daemon that grants bots access to a Linux desktop environment; and AgentDesk, which supports the operation of VMs powered by AgentD. Additionally, Taskara assists in managing tasks, while ThreadMem is designed to create persistent threads that can support multiple roles. MLLM streamlines the interaction with various LLMs and multimodal LLMs. Furthermore, AgentSea features experimental agents such as SurfPizza and SurfSlicer, which utilize multimodal strategies to interact with graphical user interfaces effectively. This platform not only enhances the development experience but also broadens the horizons of what AI agents can achieve in various applications.

Agent Squad is a versatile and robust open-source framework created by AWS to facilitate the management of various AI agents and navigate intricate dialogues. This framework supports multi-agent orchestration, enabling efficient collaboration and utilization of several AI agents within a unified system. It is designed with dual language compatibility, being fully operational in both Python and TypeScript. Through intelligent intent classification, it adeptly directs inquiries to the most appropriate agent by considering both context and content. Additionally, Agent Squad accommodates both streaming and non-streaming outputs from various agents, providing adaptable responses. It effectively preserves and leverages conversation context across multiple agents, ensuring interactions remain coherent. The architecture is highly extensible, permitting straightforward integration of new agents or modifications to existing ones to meet particular requirements. Moreover, Agent Squad's deployment flexibility allows it to operate seamlessly on platforms ranging from AWS Lambda to local environments or any cloud service, making it a highly adaptable solution for various applications. Its design not only enhances collaborative efforts among agents but also optimizes user experience through efficient dialogue management.

Strands Agents presents a streamlined, code-oriented framework aimed at facilitating the creation of AI agents, which capitalizes on the advanced reasoning skills of contemporary language models to ease the development process. With just a few lines of Python code, developers can swiftly construct agents by outlining a prompt and specifying a set of tools, empowering the agents to carry out intricate tasks independently. The framework is compatible with various model providers, such as Amazon Bedrock (with Claude 3.7 Sonnet as the default), Anthropic, OpenAI, among others, providing users with diverse options for model selection. An adaptable agent loop is a standout feature, managing user inputs, determining appropriate tool usage, executing those tools, and crafting responses, thereby accommodating both streaming and non-streaming interactions. Furthermore, the inclusion of built-in tools, along with the option to create custom tools, enables agents to undertake a broad spectrum of activities that extend well beyond mere text generation, enhancing their utility in various applications. This versatility positions Strands Agents as an innovative solution in the realm of AI agent development.

Recomi, developed by Powerdrill, is an intuitive no-code platform that empowers users to design and implement intelligent chatbots utilizing their own data sets. Users can easily upload a variety of file formats, such as PDFs, Excel, Word, PowerPoint, and Markdown, or link to their Google Drive to serve as the foundational knowledge base for their AI agents. It seamlessly integrates with websites using chat bubbles or iframes, allowing compatibility with popular site builders like Webflow, Framer, Wix, and Bubble. You can preview the appearance of your AI agent on your website by entering your URL and selecting "Start Demo." The platform provides a straightforward interface for creating AI agents without the need for programming skills. After logging in, you can initiate the creation of an agent by uploading files, assigning a name, and adjusting optional configurations. Once the agent is established, it can respond to inquiries based on the information provided in the uploaded documents. Additionally, the collaboration features enable you to invite team members to specific agents, promoting a shared environment for exploration and insights, ultimately enhancing the overall user experience. This collaborative aspect not only enriches the development process but also fosters a community of users who can learn from one another.

Shipable is an innovative no-code platform that empowers agencies and consultants to effortlessly create, tailor, and launch production-ready AI assistants for various applications such as support, sales, onboarding, and lead generation across chat, voice, and integrated app settings. It simplifies the development of sophisticated, multilingual workflows by integrating system prompts, app connections (like email, CRM, and internal tools), and payments or domain embedding within an intuitive visual builder, eliminating the need for programming expertise. Agency teams can now generate lead-generation bots in mere minutes—a task that previously required days and multiple tools—by easily cloning and adjusting existing templates. Furthermore, with features that support customer-facing voice interactions, including in Arabic, Shipable caters to everyone from individual operators to larger studios, providing effective, secure, and revenue-enhancing AI solutions while minimizing overhead and engineering demands. This platform not only streamlines the process of AI assistant creation but also significantly enhances productivity and efficiency within various business operations.

Portia AI is an open-source developer framework that includes optional cloud services, enabling teams to quickly create, deploy, and oversee stateful, authenticated AI agents while maintaining full visibility and control over the process. Developers initiate the process by using the SDK to generate clear, organized multi-step "plans" that integrate LLM reasoning with various tool calls, executing these plans incrementally and enhancing the plan state at each step, while also allowing for pauses to seek clarifications, whether from human users or machine inputs, when authentication or additional information is necessary. With its cohesive authentication framework and an easily customizable tool catalog, Portia automatically manages the credentials and permissions needed for remote API and MCP tool calls. Furthermore, the accompanying cloud solution provides persistent storage for plan execution states, historical log tracking, telemetry dashboards, and managed scaling, ensuring that production deployments remain dependable, traceable, and compliant with regulatory standards. This comprehensive approach not only simplifies the development process but also enhances the overall efficiency and effectiveness of AI agent deployments.

Autohive is a user-friendly AI agent platform designed for those without coding skills, enabling teams to automate tedious tasks by visually constructing, launching, and managing AI agents that work in harmony with current tools and data sources. With the capability to create tailored agents that pull data from various sources like CRMs, analytics platforms, documentation systems, and communication tools, users can connect these agents into collaborative "agent teams" that handle intricate tasks, such as transforming podcasts into social media content, generating weekly analysis reports, or providing customer support responses, whether on a schedule or upon request. The platform's straightforward interface allows even non-technical users to specify agent actions, establish triggers and reminders, and track performance through a unified dashboard. Additionally, more experienced teams can utilize its natural-language API and workflow editor to streamline multi-step processes not just in marketing and analytics, but also in customer service, enhancing overall productivity and efficiency in their operations. This combination of accessibility and powerful functionality makes Autohive a valuable tool for organizations looking to optimize their workflows.

Koog is a Kotlin-based framework designed for developing and executing AI agents using idiomatic Kotlin, catering to both simple agents that handle individual inputs and more intricate workflow agents with tailored strategies and configurations. Its architecture is built entirely in Kotlin, ensuring a smooth integration of the Model Control Protocol (MCP) for improved management of models. The framework also utilizes vector embeddings to facilitate semantic search and offers a versatile system for creating and enhancing tools that can interact with external systems and APIs. Components that are ready for immediate use tackle prevalent challenges in AI engineering, while intelligent history compression techniques are employed to optimize token consumption and maintain context. Additionally, a robust streaming API supports real-time response processing and allows for simultaneous tool invocations. Agents benefit from persistent memory, which enables them to retain knowledge across different sessions and among various agents, and detailed tracing facilities enhance the debugging and monitoring process, ensuring developers have the insights needed for effective optimization. This combination of features positions Koog as a comprehensive solution for developers looking to harness the power of AI in their applications.